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Older
cd ${0%/*} || exit 1 # run from this directory
if [ -f /usr/include/readline/readline.h ]
then
echo "Found readline/readline.h -- enabling readline support."
export READLINE=1
export READLINELINK="-lreadline -lncurses"
else
# no readline/readline.h -- disabling readline support
export READLINE=0
unset READLINELINK
# ----------------------------------------------------------------- end-of-file